Broken Conductor; Trip Cct Supervision; Close Cct Supervision - Siemens Argus 7SR21 Technical Manual

7SR210 Settings Guide
3.5.3.

Broken Conductor

Description
Gn 46BC U/C Guard Setting
Gn 46BC U/C Guarded
Gn 46BC Element
Selects whether the definite time broken conductor element is
enabled
Gn 46BC Setting
NPS Current to PPS Current ratio
Gn 46BC Delay
Sets operate delay time
3.5.4.

Trip CCT Supervision

Description
Gn 74TCS-1
Selects whether the trip circuit supervision element 74TCS-1
is enabled
Gn 74TCS-1 Delay
Time delay before trip circuit supervision operates
Gn 74TCS-2
Selects whether the trip circuit supervision element 74TCS-2
is enabled
Gn 74TCS-2 Delay
Time delay before trip circuit supervision operates
Gn 74TCS-3
Selects whether the trip circuit supervision element 74TCS-3
is enabled
Gn 74TCS-3 Delay
Time delay before trip circuit supervision operates
3.5.5.

Close CCT Supervision

Description
Gn 74CCS-1
Selects whether the trip circuit supervision element 74CCS-1
is enabled
Gn 74CCS-1 Delay
Time delay before trip circuit supervision operates
Gn 74CCS-2
Selects whether the trip circuit supervision element 74CCS-2
is enabled
Gn 74CCS-2 Delay
Time delay before trip circuit supervision operates
Gn 74CCS-3
Selects whether the trip circuit supervision element 74CCS-3
is enabled
Gn 74CCS-3 Delay
Time delay before trip circuit supervision operates
Unrestricted Page 20 of 61
Range
0.05, 0.1 ... 4.95, 5
No, Yes
Disabled, Enabled
20, 21 ... 99, 100
0.03, 0.04 ... 14300, 14400
Range
Disabled, Enabled
0, 0.02 ... 59.98, 60
Disabled, Enabled
0, 0.02 ... 59.98, 60
Disabled, Enabled
0, 0.02 ... 59.98, 60
Range
Disabled, Enabled
0, 0.02 ... 59.98, 60
Disabled, Enabled
0, 0.02 ... 59.98, 60
Disabled, Enabled
0, 0.02 ... 59.98, 60
© 2018 Siemens Protection Devices Limited
Default
0.25 xIn
No
Disabled
20 %
20 s
Default
Disabled
0.4 s
Disabled
0.4 s
Disabled
0.4 s
Default
Disabled
0.4 s
Disabled
0.4 s
Disabled
0.4 s